package org.example.jar;

/**
 * javac src/main/java/org/example/jar/MyClass.java
 * jar cmf src/main/java/org/example/jar/manifest.txt src/main/java/org/example/jar/MyClass.jar src/main/java/org/example/jar/MyClass.class
 */
public class MyClass {
    public static void main(String[] args) {
        System.out.println("Hello, world!");
    }

    public String greeting() {
        return "Hello, world!";
    }
}